* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}
  /*背景*/
body {
    background: url("../image/bgc2.png") no-repeat center
}
span{
    text-align: center;
    color: #fff;
}
.us_layout {
   width: 100%;
   height: 100%;

}
.us_center{
     width: 400px;
     height: 300px;
     border: 3px solid #a6c9a5;
     background-color: #648a75;
     opacity: 0.5;
     margin: 250px auto auto;
     /* position: relative; */
}
/* .us_from{
    position: absolute;
    margin: auto;
} */

.us_center .us_from {
    float: left;
    margin-left: 50px;
    margin-top: 10px;
}

.re_table_1 {
    font-size: 18px;
    text-align: right;
    height: 35px;
    color: #f4f8f4;
}


.re_table_2 {
    padding-left: 30px;
}

input {
    text-indent: 6px;
    font-size: 11px;
}


.button {
    margin-left: 50px;
}

.submit-default {
    margin-left: 50px;
    border-radius: 10px;
    border-color: silver;
    color: #222222;
}